120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "shared-bindings/board/__init__.h"
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#include "shared-bindings/displayio/FourWire.h"
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#include "shared-module/displayio/__init__.h"
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#include "shared-module/displayio/mipi_constants.h"
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#include "shared-bindings/busio/SPI.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "src/rp2_common/hardware_gpio/include/hardware/gpio.h"
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#include "supervisor/shared/board.h"
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displayio_fourwire_obj_t board_display_obj;
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#define DELAY 0x80
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uint8_t display_init_sequence[] = {
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0xae, 0, // sleep
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0xd5, 1, 0x80, // fOsc divide by 2
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0xa8, 1, 0x3f, // multiplex 64
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0xd3, 1, 0x00, // offset 0
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0x40, 1, 0x00, // start line 0
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0xad, 1, 0x8b, // dc/dc on
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0xa1, 0, // segment remap = 0
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0xc8, 0, // scan incr
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0xda, 1, 0x12, // com pins
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0x81, 1, 0xff, // contrast 255
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0xd9, 1, 0x1f, // pre/dis-charge 2DCLKs/2CLKs
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0xdb, 1, 0x20, // VCOM deslect 0.770
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0x20, 1, 0x20,
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0x33, 0, // VPP 9V
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0xa6, 0, // not inverted
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0xa4, 0, // normal
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0xaf, 0, // on
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};
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void board_init(void) {
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busio_spi_obj_t *spi = &displays[0].fourwire_bus.inline_bus;
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common_hal_busio_spi_construct(spi, &pin_GPIO26, &pin_GPIO27, NULL);
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common_hal_busio_spi_never_reset(spi);
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displayio_fourwire_obj_t *bus = &displays[0].fourwire_bus;
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bus->base.type = &displayio_fourwire_type;
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common_hal_displayio_fourwire_construct(bus,
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spi,
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&pin_GPIO24, // Command or data
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&pin_GPIO22, // Chip select
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&pin_GPIO23, // Reset
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10000000, // Baudrate
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0, // Polarity
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0); // Phase
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displayio_display_obj_t *display = &displays[0].display;
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display->base.type = &displayio_display_type;
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common_hal_displayio_display_construct(display,
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bus,
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128, // Width
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64, // Height
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2, // column start
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0, // row start
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0, // rotation
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1, // Color depth
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true, // grayscale
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false, // pixels in byte share row. Only used with depth < 8
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1, // bytes per cell. Only valid for depths < 8
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false, // reverse_pixels_in_byte. Only valid for depths < 8
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true, // reverse_pixels_in_word
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0, // Set column command
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0, // Set row command
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0, // Write memory command
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0xd3, // set vertical scroll command
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display_init_sequence,
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sizeof(display_init_sequence),
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NULL,
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0x81,
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1.0f, // brightness
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false, // auto_brightness
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true, // single_byte_bounds
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true, // data as commands
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true, // auto_refresh
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60, // native_frames_per_second
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true, // backlight_on_high
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true); // SH1107_addressing
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}
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bool board_requests_safe_mode(void) {
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return false;
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}
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void reset_board(void) {
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// turn off any left over LED
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board_reset_user_neopixels(&pin_GPIO19, 12);
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}
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void board_deinit(void) {
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}
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